MAX815 Просмотр технического описания (PDF) - Maxim Integrated
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MAX815 Datasheet PDF : 16 Pages
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±1% Accuracy, Low-Power, +3V and +5V
µP Supervisory Circuits
ELECTRICAL CHARACTERISTICS, +5V Parts (MAX814/MAX815K, L, N) (continued)
(VCC = 4.85V to 5.5V for MAX814K/MAX815K, VCC = 4.75V to 5.5V for MAX814L/MAX815L, VCC = 4.60V to 5.5V for MAX814N/
MAX815N, TA = TMIN to TMAX, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
MR Pull-Up Current
MR Pulse Width
IMR
MR = 0V
tMR
70
240
µA
150
ns
MR Input Threshold
MR to RESET Out Delay
PFI Input Threshold
PFI Input Current
V MRLO
V MRHI
tMD
VPFI
IPFI
Low
High
(Note 3)
VCC = 5.0V
0.7 x VCC
1.1
V
250
ns
2.45 2.50 2.55
V
-15.00 +6.0 +35.00 nA
LOW LINE, PFO, WDO
Assertion Delay
(Note 2)
200
µs
ELECTRICAL CHARACTERISTICS, +3V Parts (MAX814/MAX815T, MAX816)
(VCC = 3.06V to 5.5V for MAX814T/MAX815T and MAX816, TA = TMIN to TMAX, unless otherwise noted.)
PARAMETER
Operating Voltage Range
Supply Current
Reset Threshold
RESET IN Threshold
RESET IN Input Current
Reset Threshold Hysteresis
Reset Pulse Width
RESET Output Voltage
RESET, WDO, PFO, LOW LINE
Output Voltage
Watchdog Timeout Period
SYMBOL
VCC
ISUPPLY
VRT
VRIT
IRT
tRS
VOH
VOL
VOH
VOL
VOH
VOL
VOH
VOL
VOL
tWD
CONDITIONS
0°C to +70°C
-40°C to +85°C
0°C to +70°C
-40°C to +85°C
0°C to +70°C
-40°C to +85°C
MAX816C
MAX816E
MAX816
VRT(max) < VCC < 3.6V; ISOURCE = 500µA
MAX814T, MAX816
ISINK = 1.2mA
4.5V < VCC < 5.5V;
MAX814T, MAX816
ISOURCE = 800µA
ISINK = 3.2mA
VRT(max) < VCC < 3.6V
ISOURCE = 500µA
ISINK = 1.2mA
4.5V < VCC < 5.5V
ISOURCE = 800µA
ISINK = 3.2mA
TA = 0°C to +70°C, VCC = 1.0V, ISINK = 50µA
TA = -40°C to +85°C, VCC = 1.2V, ISINK = 100µA
MAX815T
MIN TYP
1.0
1.2
3.00
3.00
1.683 1.700
1.678 1.700
-15
+6
0
140
200
0.8 x VCC
VCC -1.5
0.8 x VCC
VCC -1.5
1.12
MAX
5.5
5.5
75
85
3.06
3.08
1.717
1.722
+35
250
0.3
0.4
0.3
0.4
0.3
0.3
2.00
UNITS
V
µA
V
V
nA
mV
ms
V
V
s
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